Self-locking fixing element, has nut mounted on bolt in stopping manner and bolt is locked with nut by twisting nut on bolt around rotation angle to plus minus ninety degree in twisted or self-locking manner

摘要

The self-locking fixing element has cylindrical bolt (1) and nut. The nut is mounted on the bolt in stopping manner. The bolt is locked with the nut by twisting the nut on the bolt around a rotation angle to plus minus 90 degree in twisted or self-locking manner. The bolt has two inserting channels (5,6), running parallel in the bolt longitudinal axis, with a perforated screen (7,8) for mounting the nut on the bolt in stopping manner.